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cs.DS2026
A Matrix Factorization Approach in Turnstile Streaming
Jan Bulanek, Ravi Kumar, Raghu Meka +2
We define the -point query problem in data streams. Given a fixed matrix , the goal is to maintain a vector under turnstile updates and answer each query with an esti…
cs.DS2022★ 2 cited
On the Robustness of CountSketch to Adaptive Inputs
Edith Cohen, Xin Lyu, Jelani Nelson +3
CountSketch is a popular dimensionality reduction technique that maps vectors to a lower dimension using randomized linear measurements. The sketch supports recovering -hea…